8420379

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 12856320

約数和(自身を除く): 4435941

約数列:

[1, 3, 11, 33, 47, 61, 89, 141, 183, 267, 517, 671, 979, 1551, 2013, 2867, 2937, 4183, 5429, 8601, 12549, 16287, 31537, 46013, 59719, 94611, 138039, 179157, 255163, 765489, 2806793, 8420379]

約数ペア:

[(1, 8420379), (3, 2806793), (11, 765489), (33, 255163), (47, 179157), (61, 138039), (89, 94611), (141, 59719), (183, 46013), (267, 31537), (517, 16287), (671, 12549), (979, 8601), (1551, 5429), (2013, 4183), (2867, 2937)]